Manuel Antonio de Rivas was a Franciscan friar in Mérida, a Spanish colonial town on the Yucatán Peninsula. Details of his life are sketchy, though there are court documents that prove that in the 1770s he was accused of heresy.[1] He is best known for an account of a journey of lunar discovery, Syzygies and Lunar Quadratures, which is credited as the first science fiction text written in the Americas.[2]
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